condition	mean	min	max
4 h after light	4.715086666666667	4.66253	4.7474300000000005
8 h after light	4.76975	4.67248	4.8272
12 h after light	4.9601500000000005	4.63475	5.43942
4 h after dark	4.85984	4.68098	5.14622
8 h after dark	4.708363333333333	4.56076	4.94591
12 h after dark	4.73306	4.62667	4.92743